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74F646BSCX Datasheet

  • 74F646BSCX

  • Single 8-bit Bus Transceiver

  • 94.07KB

  • 9頁

  • ETC

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74F646 鈥?74F646B 鈥?74F648 Octal Transceiver/Register with 3-STATE Outputs
March 1988
Revised October 2000
74F646 鈥?74F646B 鈥?74F648
Octal Transceiver/Register with 3-STATE Outputs
General Description
These devices consist of bus transceiver circuits with
3-STATE, D-type flip-flops, and control circuitry arranged
for multiplexed transmission of data directly from the input
bus or from the internal registers. Data on the A or B bus
will be clocked into the registers as the appropriate clock
pin goes to a high logic level. Control G and direction pins
are provided to control the transceiver function. In the
transceiver mode, data present at the high impedance port
may be stored in either the A or the B register or in both.
The select controls can multiplex stored and real-time
(transparent mode) data. The direction control determines
which bus will receive data when the enable control G is
Active LOW. In the isolation mode (control G HIGH), A data
may be stored in the B register and/or B data may be
stored in the A register.
Features
s
Independent registers for A and B buses
s
Multiplexed real-time and stored data
s
74F648 has inverting data paths
s
74F646/74F646B have non-inverting data paths
s
74F646B is a faster version of the 74F646
s
3-STATE outputs
s
300 mil slim DIP
Ordering Code:
Order Number
74F646SC
74F646MSA
74F646SPC
74F646BSC
74F646BSPC
74F648SC
74F648SPC
Package Number
M24B
MSA24
N24C
M24B
N24C
M24B
N24C
Package Description
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
24-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.
漏 2000 Fairchild Semiconductor Corporation
DS009580
www.fairchildsemi.com

74F646BSCX 產(chǎn)品屬性

  • Fairchild Semiconductor

  • Bipolar

  • F

  • 8

  • TTL

  • TTL

  • 3-State

  • - 15 mA

  • 64 mA

  • 8 ns

  • 5.5 V

  • 4.5 V

  • + 70 C

  • SOIC-24 Wide

  • Reel

  • Bus Transceiver / Register

  • 0 C

  • SMD/SMT

  • 1

  • Non-Inverting

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